﻿// 
// StringTagSelectorButton.cs
//  
// Author:
//       Lluis Sanchez Gual <lluis@novell.com>
// 
// Copyright (c) 2010 Novell, Inc (http://www.novell.com)
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using MonoDevelop.Core.StringParsing;
using Gtk;
using MonoDevelop.Core;
using MonoDevelop.Components;
using MonoDevelop.Components.AtkCocoaHelper;

namespace MonoDevelop.Ide.Gui.Components
{
	[System.ComponentModel.ToolboxItem(true)]
	public class StringTagSelectorButton : MenuButton
	{
		public StringTagSelectorButton ()
		{
			ContextMenuRequested = CreateMenu;
		}

		public StringTagModelDescription TagModel { get; set; }
		
		public Entry TargetEntry { get; set; }
		
		void InsertTag (string tag)
		{
			if (TargetEntry != null) {
				int tempInt = TargetEntry.Position;
				TargetEntry.DeleteSelection();
				TargetEntry.InsertText ("${" + tag + "}", ref tempInt);
			}
		}

		ContextMenu CreateMenu(MenuButton button)
		{
			if (TagModel == null) {
				return null;
			}

			return CreateMenu(true);
		}

		ContextMenu CreateMenu(bool importantOnly)
		{
			ContextMenu menu = new ContextMenu();
			
			bool itemsAdded = false;
			bool needsSeparator = false;
				
			foreach (StringTagDescription[] tags in TagModel.GetTagsGrouped ()) {
				itemsAdded = false;


				foreach (StringTagDescription tag in tags) {
					if (tag.Important != importantOnly)
						continue;

					if (itemsAdded && needsSeparator) {
						var sep = new SeparatorContextMenuItem();
						needsSeparator = false;
						menu.Add(sep);
					}

					var item = new ContextMenuItem(tag.Description);
					string tagString = tag.Name;
					item.Clicked += delegate {
						InsertTag (tagString);
					};
					menu.Add (item);
					itemsAdded = true;
				}
				needsSeparator = true;
			}

			if (importantOnly) {
				var subMenu = CreateMenu (false);
				if (subMenu.Items.Count > 0) {
					var sep = new SeparatorContextMenuItem ();
					menu.Add (sep);

					var item = new ContextMenuItem (GettextCatalog.GetString ("More"));
					item.SubMenu = subMenu;
					menu.Add (item);
				}
			}

			return menu;
		}
	}
}

